Which scenario describes an unwanted alarm?

• A. System activates and there is not a real emergency.
• B. A routine fire drill triggers alarms with proper authorization.
• C. A small fire is detected and contained by sprinklers.
• D. The building is evacuated during a scheduled drill.

Answer: (A)

An unwanted alarm occurs when the fire alarm system activates without a legitimate emergency situation necessitating it. In this scenario, the system activates, indicating a potential fire or danger, but there is no real emergency present, leading to unnecessary alarm and response. This can cause confusion and fatigue among occupants and responders, as well as being a drain on resources.

The other scenarios involve situations where the alarms are activated for valid reasons: authorized fire drills where occupants are informed and expected to evacuate, or the activation of sprinklers in response to a small contained fire, both of which are part of standard safety practices.